Kelvin Carlsson (aka Mr Harmony) has been playing harmonica in bands in Sydney for the past 30 years. He has worked as an instructor at harmonica corporate team building events all along the east coast of Australia, alongside some of the country's finest blues harmonica players such as Ian Collard, Chris Wilson, Doc Spann, Rick Dempster and Doug Lyons. Kelvin represented the Sydney Blues Society at the International Blues Challenge in Memphis in 2017.